Multiple vulnerabilities in Microsoft Windows Partition Management Driver
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-34703 CVE-2022-33670 |
| CWE-ID | CWE-190 CWE-285 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Integer overflow
EUVDB-ID: #VU66334
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-34703
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow within the partmgr.sys Windows partition management driver. A local user can trigger an integer overflow and execute arbitrary code with SYSTEM privileges.
Install updates from vendor's website.
Vulnerable software versionsWindows Server: 2003 - 2022 20H2
Windows: Vista - 2000
CPE2.3- cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows_server:2019 2004:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows_server:2022:20H2:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:Vista:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:RT:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:XP:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34703
http://www.zerodayinitiative.com/advisories/ZDI-22-1072/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper Authorization
EUVDB-ID: #VU66336
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-33670
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper authorization logic in partmgr.sys driver when accessing SCSI file handles. A local user can can execute arbitrary code with SYSTEM privileges.
Install updates from vendor's website.
Vulnerable software versionsWindows Server: 2003 - 2022 20H2
Windows: Vista - 2000
CPE2.3 External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33670
http://www.zerodayinitiative.com/advisories/ZDI-22-1071/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
